Made elements on component screen stay compact on wider screen (#1258)

material_3_demo/lib/main.dart

@@ -187,7 +187,7 @@ class _Material3DemoState extends State<Material3Demo> {
                         selectedIndex: screenIndex)),
                 const VerticalDivider(thickness: 1, width: 1),
                 createScreenFor(screenIndex, true),
-              ]),
+              ],),
             ),
           );
         }